Writers, observers, and practitioners of international politics frequently invoke the term "geopolitics" to describe, explain, or analyze specific foreign policy issues and problems. Such generalized usage ignores the fact that geopolitics as a method of understanding international relations has a history that includes a common vocabulary, well-established if sometimes conflicting concepts, an extensive body of thought, and a recognized group of theorists and scholars. In Geopolitics, Francis P. Sempa presents a history of geopolitical thought and applies its classical analyses to...